High Characteristic Temperature of Highly Stacked Quantum-Dot Laser for 1.55-μm Band

被引:52
作者
Akahane, Kouichi [1 ]
Yamamoto, Naokatsu [1 ]
Kawanishi, Tetsuya [1 ]
机构
[1] Natl Inst Informat & Commun Technol, Koganei, Tokyo 1848795, Japan
关键词
Characteristic temperature; quantum dot (QD); stacking strain compensation; DEPENDENCE; LAYER;
D O I
10.1109/LPT.2009.2035821
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We fabricated broad-area laser diodes comprising 30-layer stacks of InAs quantum dots (QDs) by using strain compensation. The devices exhibited ground-state lasing at 1529 nm in pulsed mode with a high characteristic temperature of 113 K around room temperature (20 degrees C-80 degrees C). Ground-state lasing was achieved because of the high QD density afforded by strain compensation.
引用
收藏
页码:103 / 105
页数:3
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